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Ikarugamycin Sale

(Synonyms: 斑鸠霉素) 目录号 : GC43892

An antiprotozoan antibiotic

Ikarugamycin Chemical Structure

Cas No.:36531-78-9

规格 价格 库存 购买数量
500μg
¥2,723.00
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2.5mg
¥10,895.00
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产品描述

Ikarugamycin is a macrocyclic antibiotic first isolated from Streptomyces sp. that demonstrates potent antiprotozoal activity.[1] It exhibits cytotoxic effects in cancer cell lines, inhibiting cell proliferation (IC50 = 221.3 nM in HL-60 cells) through genotoxicity and by inducing apoptosis and activation of caspases.[2] It also was shown to significantly inhibit oxidized low-density lipoprotein-induced accumulation of cholesteryl esters in macrophages at 1-4 μM.[3] Additionally, ikarugamycin is used to inhibit clathrin-coated pit-mediated endocytosis.[4]
Reference:
[1]. Jomon, K., Kuroda, Y., Ajisaka, M., et al. A new antibiotic, ikarugamycin. J.Antibiot.(Tokyo) 25(5), 271-280 (1972).
[2]. Popescu, R., Heiss, E.H., Ferk, F., et al. Ikarugamycin induces DNA damage, intracellular calcium increase, p38 MAP kinase activation and apoptosis in HL-60 human promyelocytic leukemia cells. Mutation Research 709-710, 60-66 (2011).
[3]. Hasumi, K., Shinohara, C., Naganuma, S., et al. Inhibition of the uptake of oxidized low-density lipoprotein in macrophage J774 by the antibiotic ikarugamycin. European Journal of Biochemistry 205(2), 841-846 (1992).
[4]. Luo, T., Fredericksen, B.L., Hasumi, K., et al. Human immunodeficiency virus type 1 Nef-induced CD4 cell surface downregulation is inhibited by ikarugamycin. Journal of Virology 75(5), 2488-2492 (2001).

Chemical Properties

Cas No. 36531-78-9 SDF
别名 斑鸠霉素
化学名 (2R,3R,7Z,14S,19E)-3-ethyl-2,3,3aS,5aR,5bS,6,10,11,12,13,14,15,20aS,21,21aR,21bR-hexadecahydro-22-hydroxy-2-methyl-14,17-metheno-17H-as-indaceno[3,2-k][1,6]diazacycloheptadecine-9,16,18(1H)-trione
Canonical SMILES O=C(C1=C(O)[C@H](CCCN2)NC1=O)/C=C/[C@@H]3C[C@@]4([H])[C@@](C=C[C@]5([H])[C@]4([H])C[C@@H](C)[C@H]5CC)([H])[C@H]3C/C=C\C2=O
分子式 C29H38N2O4 分子量 478.6
溶解度 Soluble in DMSO,DMF, slightly in ethanol, methanol 储存条件 Store at -20°C, protect from light
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1 mM 2.0894 mL 10.4471 mL 20.8943 mL
5 mM 0.4179 mL 2.0894 mL 4.1789 mL
10 mM 0.2089 mL 1.0447 mL 2.0894 mL
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Research Update

A potent endocytosis inhibitor Ikarugamycin up-regulates TNF production

Biochem Biophys Rep 2021 Jul 8;27:101065.PMID:34286109DOI:10.1016/j.bbrep.2021.101065.

Ikarugamycin (IK) is an antibiotic which has been reported to have a variety of functions, such as inhibition of clathrin-mediated endocytosis (CME), anti-tumor effects and regulation of the immune system. Whether IK influences cytokine production is poorly understood. We have investigated the relationship between IK and production of tumor necrosis factor-α (TNF). TNF plays a pivotal role in pathogenesis of many diseases. Although the dynamics of soluble TNF (sTNF) has been widely explored so far, the functions of the membrane form of TNF (mTNF) have not been fully elucidated. We demonstrated that IK increases the amount of mTNF and prolongs the duration of TNF expression. This effect is unrelated to the shedding activity of disintegrin and metalloproteinase domain-containing protein 17 (ADAM 17). Our results revealed that there is a mechanism to terminate inflammation at the cellular level which IK dysregulates. Furthermore, IK can be a tool to study TNF signaling due to its effect of increasing mTNF expression.

Ikarugamycin inhibits pancreatic cancer cell glycolysis by targeting hexokinase 2

FASEB J 2020 Mar;34(3):3943-3955.PMID:31944405DOI:10.1096/fj.201901237R.

Mangrove-derived actinobacteria strains are well-known for producing novel secondary metabolites. The polycyclic tetramate macrolactam (PTM), Ikarugamycin (IKA) isolated from Streptomyces xiamenensis 318, exhibits antiproliferative activities against pancreatic ductal adenocarcinoma (PDAC) in vitro. However, the protein target for bioactive IKA is unclear. In this study, whole transcriptome-based profiling revealed that the glycolysis pathway is significantly affected by IKA. Metabolomic studies demonstrated that IKA treatment induces a significant drop in glucose-6-phosphate and a slight increase in intracellular glucose level. Analysis of glucose consumption, lactate production, and the extracellular acidification rate confirmed the inhibitory role of IKA on the glycolytic flux in PDAC cells. Surface plasmon resonance (SPR) experiments and docking studies identified the key enzyme of glycolysis, hexokinase 2 (HK2), as a molecular target of IKA. Moreover, IKA reduced tumor size without overt cytotoxicity in mice with PDAC xenografts and increased chemotherapy response to gemcitabine in PDAC cells in vitro. Taken together, IKA can block glycolysis in pancreatic cancer by targeting HK2, which may be a potential drug candidate for PDAC treatment.

Ikarugamycin: A Natural Product Inhibitor of Clathrin-Mediated Endocytosis

Traffic 2016 Oct;17(10):1139-49.PMID:27392092DOI:10.1111/tra.12425.

Ikarugamycin (IKA) is a previously discovered antibiotic, which has been shown to inhibit the uptake of oxidized low-density lipoproteins in macrophages. Furthermore, several groups have previously used IKA to inhibit clathrin-mediated endocytosis (CME) in plant cell lines. However, detailed characterization of IKA has yet to be performed. Consequently, we performed biochemistry and microscopy experiments to further characterize the effects of IKA on CME. We show that IKA has an IC50 of 2.7 μm in H1299 cells and acutely inhibits CME, but not other endocytic pathways, in a panel of cell lines. Although long-term incubation with IKA has cytotoxic effects, the short-term inhibitory effects on CME are reversible. Thus, IKA can be a useful tool for probing routes of endocytic trafficking.

Biocatalytic Total Synthesis of Ikarugamycin

Angew Chem Int Ed Engl 2017 Apr 3;56(15):4351-4355.PMID:28128495DOI:10.1002/anie.201611063.

Nature provides an inexhaustible diversity of small organic molecules with beautiful molecular architectures that have strong and selective inhibitory activities. However, this tremendous biomedical potential often remains inaccessible, as the structural complexity of natural products can render their synthetic preparation extremely challenging. This problem is addressable by harnessing the biocatalytic procedures evolved by nature. In this work, we present an enzymatic total synthesis of Ikarugamycin. The use of an iterative PKS/NRPS machinery and two reductases has allowed the construction of 15 carbon-carbon and 2 carbon-nitrogen bonds in a biocatalytic one-pot reaction. By scaling-up this method we demonstrate the applicability of biocatalytic approaches for the ex vivo synthesis of complex natural products.

New Ikarugamycin derivatives with antifungal and antibacterial properties from Streptomyces zhaozhouensis

Mar Drugs 2014 Dec 29;13(1):128-40.PMID:25551780DOI:10.3390/md13010128.

A bioassay guided fractionation of the ethyl acetate extract from culture broths of the strain Streptomyces zhaozhouensis CA-185989 led to the isolation of three new polycyclic tetramic acid macrolactams (1-3) and four known compounds. All the new compounds were structurally related to the known Streptomyces metabolite Ikarugamycin (4). Their structural elucidation was accomplished using a combination of electrospray-time of flight mass spectrometry (ESI-TOF MS) and 1D and 2D NMR analyses. Compounds 1-3 showed antifungal activity against Aspergillus fumigatus, Candida albicans and antibacterial activity against methicillin-resistant Staphylococcus aureus (MRSA).